Answer:
D. Hardin uses an ethical appeal to make himself seem trustworthy by admitting that there are "harsh" elements to his argument.
Explanation:
<em>Ethos</em> is the name given to an ethical appeal. This occurs when an author tries to make himself seem trustworthy and knowledgeable about a particular topic in order to be more persuasive. This is one of the most commonly used rhetorical appeals, the other ones being <em>pathos</em> (emotional appeal) and <em>logos</em> (logical appeal). In this case, the fact that the author has admitted that lifeboat ethics can be harsh makes his argument more persuasive.
C = dominant
c = recessive (cystic fibrosis)
CC, cc = homozygous (homo = same)
Cc = heterozygous (hetero = different)
Recessive traits are expressed only when two recessive alleles are present
If you get <em>CC</em>, you will not have cystic fibrosis. (<em>c </em>is the cystic fibrosis allele)
This person would be homozygous dominant and would not pass on the disease because they do not have any cystic fibrosis alleles.
If you get<em> Cc</em> you will not have cystic fibrosis b/c the<em> C</em> is dominant and overrides the cystic fibrosis allele <em>c</em>.
This person would be heterozygous and, though they do not have the disease, they would still have a chance of passing on the disease because they carry the cystic fibrosis allele.
If you get <em>cc</em> you will have cystic fibrosis b/c <em>c</em> is the cystic fibrosis allele and it is not being overridden by a dominant allele.
This person would be homozygous recessive.<em />
